Kennedy, W. J., & Klinger, H. C. (1993). On the affinities of Cobbanoscaphites Collignon, 1969 (Cretaceous Ammonoidea). Zenodo.
Cita Chicago Style (17a ed.)Kennedy, W. J., y Herbert Christian Klinger. On the Affinities of Cobbanoscaphites Collignon, 1969 (Cretaceous Ammonoidea). Zenodo, 1993.
Cita MLA (9a ed.)Kennedy, W. J., y Herbert Christian Klinger. On the Affinities of Cobbanoscaphites Collignon, 1969 (Cretaceous Ammonoidea). Zenodo, 1993.
Precaución: Estas citas no son 100% exactas.